mirror of
https://github.com/Ed94/raddebugger.git
synced 2026-07-19 23:16:48 +00:00
Nikita Smith
222 lines
7.8 KiB
C
222 lines
7.8 KiB
C
// Copyright (c) 2024 Epic Games Tools
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// Licensed under the MIT license (https://opensource.org/license/mit/)
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#pragma once
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typedef enum
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{
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LNK_SymbolScopeIndex_Defined,
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LNK_SymbolScopeIndex_Internal, // symbols defined by linker
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LNK_SymbolScopeIndex_Weak,
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LNK_SymbolScopeIndex_Lib,
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LNK_SymbolScopeIndex_Count
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} LNK_SymbolScopeIndex;
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enum
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{
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LNK_SymbolScopeFlag_Defined = 1,
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LNK_SymbolScopeFlag_Internal = 2,
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LNK_SymbolScopeFlag_Weak = 4,
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LNK_SymbolScopeFlag_Lib = 8,
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LNK_SymbolScopeFlag_Main = LNK_SymbolScopeFlag_Defined | LNK_SymbolScopeFlag_Weak,
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LNK_SymbolScopeFlag_All = LNK_SymbolScopeFlag_Defined | LNK_SymbolScopeFlag_Weak | LNK_SymbolScopeFlag_Lib | LNK_SymbolScopeFlag_Internal
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};
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typedef U64 LNK_SymbolScopeFlags;
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typedef enum
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{
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LNK_DefinedSymbolVisibility_Static,
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LNK_DefinedSymbolVisibility_Extern,
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LNK_DefinedSymbolVisibility_Internal,
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} LNK_DefinedSymbolVisibility;
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enum
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{
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LNK_DefinedSymbolFlag_IsFunc = (1 << 0),
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LNK_DefinedSymbolFlag_IsThunk = (1 << 1),
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};
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typedef U64 LNK_DefinedSymbolFlags;
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typedef enum
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{
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LNK_DefinedSymbolValue_Null,
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LNK_DefinedSymbolValue_Chunk,
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LNK_DefinedSymbolValue_VA
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} LNK_DefinedSymbolValueType;
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typedef struct LNK_DefinedSymbol
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{
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LNK_DefinedSymbolFlags flags;
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LNK_DefinedSymbolValueType value_type;
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union {
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struct {
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LNK_Chunk *chunk;
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U64 chunk_offset;
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U32 check_sum;
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COFF_ComdatSelectType selection;
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};
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U64 va;
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} u;
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} LNK_DefinedSymbol;
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typedef struct LNK_WeakSymbol
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{
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LNK_SymbolScopeFlags scope_flags;
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COFF_WeakExtType lookup_type;
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struct LNK_Symbol *fallback_symbol;
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} LNK_WeakSymbol;
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typedef struct LNK_UndefinedSymbol
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{
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LNK_SymbolScopeFlags scope_flags;
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} LNK_UndefinedSymbol;
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typedef struct LNK_LazySymbol
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{
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struct LNK_Lib *lib;
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U64 member_offset;
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} LNK_LazySymbol;
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#define LNK_Symbol_IsDefined(type) ((type) == LNK_Symbol_DefinedStatic || (type) == LNK_Symbol_DefinedExtern || (type) == LNK_Symbol_DefinedInternal)
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typedef enum
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{
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LNK_Symbol_Null,
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LNK_Symbol_DefinedStatic,
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LNK_Symbol_DefinedExtern,
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LNK_Symbol_DefinedInternal,
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LNK_Symbol_Weak,
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LNK_Symbol_Lazy,
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LNK_Symbol_Undefined,
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} LNK_SymbolType;
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typedef struct LNK_Symbol
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{
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String8 name;
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LNK_SymbolType type;
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struct LNK_Obj *obj;
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union {
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LNK_DefinedSymbol defined;
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LNK_WeakSymbol weak;
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LNK_UndefinedSymbol undefined;
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LNK_LazySymbol lazy;
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} u;
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} LNK_Symbol;
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typedef struct LNK_SymbolNode
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{
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struct LNK_SymbolNode *next;
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LNK_Symbol *data;
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} LNK_SymbolNode;
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typedef struct LNK_SymbolList
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{
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U64 count;
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LNK_SymbolNode *first;
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LNK_SymbolNode *last;
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} LNK_SymbolList;
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typedef struct LNK_SymbolNodeArray
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{
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U64 count;
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LNK_SymbolNode **v;
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} LNK_SymbolNodeArray;
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typedef struct LNK_SymbolArray
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{
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U64 count;
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LNK_Symbol *v;
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} LNK_SymbolArray;
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typedef struct LNK_SymbolHashTrie
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{
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String8 *name;
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LNK_Symbol *symbol;
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struct LNK_SymbolHashTrie *child[4];
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} LNK_SymbolHashTrie;
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typedef struct LNK_SymbolHashTrieChunk
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{
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struct LNK_SymbolHashTrieChunk *next;
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U64 count;
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U64 cap;
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LNK_SymbolHashTrie *v;
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} LNK_SymbolHashTrieChunk;
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typedef struct LNK_SymbolHashTrieChunkList
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{
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U64 count;
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LNK_SymbolHashTrieChunk *first;
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LNK_SymbolHashTrieChunk *last;
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} LNK_SymbolHashTrieChunkList;
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typedef struct LNK_SymbolTable
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{
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TP_Arena *arena;
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LNK_SymbolHashTrie *scopes[LNK_SymbolScopeIndex_Count];
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LNK_SymbolHashTrieChunkList *chunk_lists[LNK_SymbolScopeIndex_Count];
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} LNK_SymbolTable;
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////////////////////////////////
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// parallel for wrappers
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typedef struct
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{
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LNK_SymbolTable *symtab;
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Rng1U64 *ranges;
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LNK_Symbol *arr;
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} LNK_LazySymbolInserter;
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////////////////////////////////
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global read_only LNK_Symbol g_null_symbol = { str8_lit_comp("NULL"), LNK_Symbol_DefinedStatic };
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global read_only LNK_Symbol *g_null_symbol_ptr = &g_null_symbol;
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////////////////////////////////
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internal void lnk_init_symbol(LNK_Symbol *symbol, String8 name, LNK_SymbolType type);
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internal void lnk_init_defined_symbol(LNK_Symbol *symbol, String8 name, LNK_DefinedSymbolVisibility visibility, LNK_DefinedSymbolFlags flags);
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internal void lnk_init_defined_symbol_chunk(LNK_Symbol *symbol, String8 name, LNK_DefinedSymbolVisibility visibility, LNK_DefinedSymbolFlags flags, LNK_Chunk *chunk, U64 offset, COFF_ComdatSelectType selection, U32 check_sum);
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internal void lnk_init_defined_symbol_va(LNK_Symbol *symbol, String8 name, LNK_DefinedSymbolVisibility visibility, LNK_DefinedSymbolFlags flags, U64 va);
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internal void lnk_init_undefined_symbol(LNK_Symbol *symbol, String8 name, LNK_SymbolScopeFlags scope_flags);
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internal void lnk_init_weak_symbol(LNK_Symbol *symbol, String8 name, COFF_WeakExtType lookup, LNK_Symbol *fallback);
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internal LNK_Symbol * lnk_make_defined_symbol(Arena *arena, String8 name, LNK_DefinedSymbolVisibility visibility, LNK_DefinedSymbolFlags flags);
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internal LNK_Symbol * lnk_make_defined_symbol_chunk(Arena *arena, String8 name, LNK_DefinedSymbolVisibility visibility, LNK_DefinedSymbolFlags flags, LNK_Chunk *chunk, U64 offset, COFF_ComdatSelectType selection, U32 check_sum);
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internal LNK_Symbol * lnk_make_defined_symbol_va(Arena *arena, String8 name, LNK_DefinedSymbolVisibility visibility, LNK_DefinedSymbolFlags flags, U64 va);
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internal LNK_Symbol * lnk_make_undefined_symbol(Arena *arena, String8 name, LNK_SymbolScopeFlags scope_flags);
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internal LNK_Symbol * lnk_make_weak_symbol(Arena *arena, String8 name, COFF_WeakExtType lookup, LNK_Symbol *fallback);
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internal LNK_Symbol * lnk_make_lazy_symbol(Arena *arena, String8 name, struct LNK_Lib *lib, U64 member_offset);
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internal LNK_Chunk * lnk_chunk_from_symbol(LNK_Symbol *symbol);
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////////////////////////////////
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internal void lnk_symbol_list_push_node(LNK_SymbolList *list, LNK_SymbolNode *node);
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internal LNK_SymbolNode * lnk_symbol_list_push(Arena *arena, LNK_SymbolList *list, LNK_Symbol *symbol);
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internal void lnk_symbol_list_concat_in_place(LNK_SymbolList *list, LNK_SymbolList *to_concat);
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internal LNK_SymbolList lnk_symbol_list_from_array(Arena *arena, LNK_SymbolArray arr);
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internal LNK_SymbolNodeArray lnk_symbol_node_array_from_list(Arena *arena, LNK_SymbolList list);
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internal LNK_SymbolArray lnk_symbol_array_from_list(Arena *arena, LNK_SymbolList list);
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////////////////////////////////
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internal void lnk_symbol_hash_trie_insert_or_replace(Arena *arena, LNK_SymbolHashTrieChunkList *chunk_list, LNK_SymbolHashTrie **trie, U64 hash, LNK_Symbol *new_symbol);
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internal LNK_SymbolHashTrie * lnk_symbol_hash_trie_search(LNK_SymbolHashTrie *trie, U64 hash, String8 name);
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internal void lnk_symbol_hash_trie_remove(LNK_SymbolHashTrie *trie);
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////////////////////////////////
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internal U64 lnk_symbol_hash(String8 string);
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internal LNK_SymbolTable * lnk_symbol_table_init(TP_Arena *arena);
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internal LNK_Symbol * lnk_symbol_table_search_hash(LNK_SymbolTable *symtab, LNK_SymbolScopeFlags scope, U64 hash, String8 name);
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internal LNK_Symbol * lnk_symbol_table_search(LNK_SymbolTable *symtab, LNK_SymbolScopeFlags scope, String8 name);
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internal LNK_Symbol * lnk_symbol_table_searchf(LNK_SymbolTable *symtab, LNK_SymbolScopeFlags scope, char *fmt, ...);
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internal void lnk_symbol_table_push_hash(LNK_SymbolTable *symtab, U64 hash, LNK_Symbol *symbol);
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internal void lnk_symbol_table_push(LNK_SymbolTable *symtab, LNK_Symbol *symbol);
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internal void lnk_symbol_table_remove(LNK_SymbolTable *symtab, LNK_SymbolScopeIndex scope, String8 name);
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internal LNK_Symbol * lnk_resolve_symbol(LNK_SymbolTable *symtab, LNK_Symbol *resolve_symbol);
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